FR1093241A - - Google Patents

Info

Publication number
FR1093241A
FR1093241A FR1093241DA FR1093241A FR 1093241 A FR1093241 A FR 1093241A FR 1093241D A FR1093241D A FR 1093241DA FR 1093241 A FR1093241 A FR 1093241A
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication date
Application granted granted Critical
Publication of FR1093241A publication Critical patent/FR1093241A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
FR1093241D 1953-02-16 Expired FR1093241A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US337022A US2722626A (en) 1953-02-16 1953-02-16 Thermionic cathode

Publications (1)

Publication Number Publication Date
FR1093241A true FR1093241A (xx) 1955-05-02

Family

ID=23318765

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1093241D Expired FR1093241A (xx) 1953-02-16

Country Status (6)

Country Link
US (1) US2722626A (xx)
BE (1) BE526506A (xx)
CH (1) CH319033A (xx)
DE (1) DE1181824B (xx)
FR (1) FR1093241A (xx)
GB (1) GB751507A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052047A1 (fr) * 1980-11-07 1982-05-19 Thomson-Csf Cathode thermo-électronique

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2808530A (en) * 1951-04-18 1957-10-01 Siemens Ag Cathode for electrical discharge devices
BE525821A (xx) * 1953-01-19
NL97850C (xx) * 1953-08-14
NL102345C (xx) * 1954-06-16
US2888592A (en) * 1954-07-22 1959-05-26 Gen Electric Cathode structure
US3076915A (en) * 1954-12-24 1963-02-05 Egyesuelt Izzolampa Cathode assembly and method of making same
BE564257A (xx) * 1957-01-26
US2914402A (en) * 1957-02-26 1959-11-24 Bell Telephone Labor Inc Method of making sintered cathodes
US3155864A (en) * 1960-03-21 1964-11-03 Gen Electric Dispenser cathode
US3525135A (en) * 1964-04-16 1970-08-25 Gen Electric Thermionic cathode
US3421864A (en) * 1965-06-07 1969-01-14 Nasa Multilayer porous ionizer
DE1234861B (de) * 1965-07-05 1967-02-23 Siemens Ag Vorratskathode fuer elektrische Entladungsgefaesse
US3458913A (en) * 1966-04-19 1969-08-05 Siemens Ag Supply cathode for electrical discharge vessels and method for its production
US3842309A (en) * 1970-11-12 1974-10-15 Philips Corp Method of manufacturing a storage cathode and cathode manufactured by said method
GB1446507A (en) * 1978-09-15 1976-08-18 V N I Pk I T I Elektrosvarochn Electrode for plasma arc working of conductive materials
DE2842079A1 (de) * 1978-09-27 1980-04-03 Siemens Ag Vorratskathode, insbesondere metall- kapillar-kathode
US4369392A (en) * 1979-09-20 1983-01-18 Matsushita Electric Industrial Co., Ltd. Oxide-coated cathode and method of producing the same
JPS5652835A (en) * 1979-10-01 1981-05-12 Hitachi Ltd Impregnated cathode
US5007874A (en) * 1990-10-15 1991-04-16 The United States Of America As Represented By The Secretary Of The Army Method of making a cathode from tungsten and iridium powders using a reaction product from reacting a group III A metal with barium peroxide as an impregnant

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1716545A (en) * 1929-06-11 Geobqe m
US1846242A (en) * 1929-01-05 1932-02-23 Argco Tube And Television Corp Electrode and method of making the same
US1922244A (en) * 1930-09-13 1933-08-15 Fansteel Prod Co Inc Electrode and method of making the same
US2121589A (en) * 1934-06-28 1938-06-21 Westinghouse Electric & Mfg Co Emissive incandescent cathode
US2175345A (en) * 1935-07-12 1939-10-10 Gen Electric Electric gaseous discharge device
BE486002A (xx) * 1947-11-26
US2624024A (en) * 1949-10-26 1952-12-30 Hartford Nat Bank & Trust Co Cathode for use in electron discharge tubes
DE949361C (de) * 1951-04-18 1956-09-20 Siemens Ag Kathode fuer elektrische Entladungsgefaesse
DE976456C (de) * 1952-04-10 1963-09-12 Siemens Ag Kathode fuer elektrische Entladungsgefaesse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052047A1 (fr) * 1980-11-07 1982-05-19 Thomson-Csf Cathode thermo-électronique

Also Published As

Publication number Publication date
US2722626A (en) 1955-11-01
DE1181824B (de) 1964-11-19
BE526506A (xx)
GB751507A (en) 1956-06-27
CH319033A (de) 1957-01-31

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